Skip for handling bulk freight



Sept. 13', 1949. J. w. BURNETT SKIP FOR HANDLING BULK FREIGHT 3Srfxeets-Sheet 1 Filed Oct. 25, 1944 Sept. 13, 1949. J. w. BURNETT SKIPFOR HANDLING BULK FREIGHT 3 Sheets-Sheet 2 Filed Oct. 25, 1944 J. W.BURNETT SKIP FOR HANDLING BULK FREIGHT 3 Sheets-Sheet 3 Sept. 13, 1949.

Filed Oct. 23, 1944 J I1H u n 1. n .LIIIIMLLIFIIll-l..

Patented Sept. 13, `1949 SKIP FOR HANDLING BULK FREIGHT J'ohn W.Burnett, Chicago, 'll., 'assigner to Reynolds Metals Company, Richmond,Va., a corporation of Delaware Application October 23, 19421, Serial No.'560,006

(Cl. 10'5e-2747) 7 Claims.

My invention relates to an improvement in material handling equipmentand has for one purpose to provide means for handling bulk materials ofmixed sizes.

Another purpose is to provide an improved transporting and dumping skipfor use, for example, With railway lcars and trucks.

' `Another purpose is to @provide an improved means for mounting such askip `on a car, truck or support.

Another purpose is to provide improved tilting and seating abutmentmeans for skips and the like.

Other purposes will appear from time to time in the 'course of thespecification and claims.

My invention is illustrated more 'or 4less diagrammatically in theaccompanying drawings, wherein:

Figure 1 isa plan view;

Figure 2 is a side elevation;

Figure 3 is a section on an enlarged scale on the line 3-3 of Figure l2;

Figure 4 is a section on the line 4-4 of Figure 3;

Figure 5 is a vsection on the line 5-5 of Figure 2;

Figure 6 is a 'section on an enlarged scale 'on 'the line v6--6 ofFigure 5; and

`Figure 7 is a section on the line 'I-1 of Figure 6. Y

Like parts are indicated by like characters throughout the specificationand drawings.

Referring to the drawings, I generally indic'at'es any suitable rails toreceive the 'flanged wheels 2 of any suitable 4flat car 3 having the '5:

flat floor or deck 4. 5 vare longitudinally extending wooden blocks orsupports secured to the deck "4. I are transversely extending tieplatesor strips which extend beneath th'e blocks 5 and terminate at oppositesides of the 'car floor 4. 'Ihey may advantageously be recessed into thefloor as shown in Figure y5. Referring to Figures 5 4and 7, I illustratekat one end of the tie-plate or strip 6, a tipping stop generallyindicated as 'I and having Aan upwardly extending abutment 8 having a'generally arcuate inside pivoting sur- .Iace 9. IIJ is an upwardly'extending back stop. rIhe upwardly extending abutment 8 has an inclinedface II, the purpose of which will 'later appear. In Figure 5, IVillustrate at the opposite end of the tie-plate or strip 'S anidentical `stop element la, which is shown as functioning as 'a seatingguide. Note that the inclined lface I'Ia of 'the upwardly extendingmember =8a v.faces itoward the ycenter kof the car, whereas the corre.

n n i) the upwardly extending stop I0.

Vmeans may be employed for tilting the skip. I

spondin'g surface I I vof the stop 8 at the opposite end of thetie-strip races outwardly. Any fsu/ita able number of tie-strips andstop assemblies may be employed but I find it convenient to use 'two for'each individual skip.

Positioned above said pair Vof tie-plates or `strips 6 is a skipstructure generally indicated as A. Each `said skip includes 'a bottomI5, side walls I6 and, in the 'form of Figure 5; an end wall II. Forreinforcement I may employ aplurality of any suitable exteriorvst'ru'ct'liral ele'- 'rnen't's IB, herein 'shown as I-beams, bent orspliced to conform to the rounded corners I9., connecting the bottom I5and the sides I6. These I-beam's are sized and spaced to penetrate between the longitudinally extending blocks 5, with enough clearance tolpermit tilting. y

The endof the ski-p opposite the wall lll is closed by a door 20 hingedas at 2| and, if desir'ed, provid-ed with a l'irnit chain v22. The door`is vshown in Figure 5, tin full line, in the Vclosed 'position 'and maybe locked closed byv any suit fable means. I illustrate for examplelocking plates 23 secured to each ofthe side walls I6. Each 'plate 23has a forwardly extending :pin 24 aperture'cl as at V25 vand projectingthrough an aperture 26 in' the ydoor 20. -21 is any suitable lockingwedge which may be dropped through the aperture 25. l

In Figure "5, I illustrate a hinged door 20 at one end only of the skipand a 'closed end 'I1 at the opposite end 'of the skip. Thus the skip isbuilt to be tilted 'and dumped in one direction only. lThe pivot "is.provided by a tipping lug -310 projecting downwardly from any suitableabut'- ment plate 31 secured to 'the bottom of the skip. Theintermediate portion has a rounded surface 32 adapted to yoppose theconcave rounded sur- 'ace 9 of the abutment 8. It is also provided withtwo downwardly or outwardly extending Yend lears`33 adapted to preventrelative lateral ymovement of the hinge elements thus provided. When theskip 'has been tilted .yrearward movement oi the tipping lug zor lock 30is prevented by Any suitable illustrate for example an eye 35 adaptedtoreceive any suitable chain, rope or cable whereby, from any suitablehoist not herein shown, the right vhand -end of 'the Askip may beraised, referring to 'the position of the parts Vshown in Figure f5,'The left hand Vend then tilts 'about the center provided by theengagement yof the tipping lug 5E wit'h the tipping abutment 8. It vwillbe understood, that before, during or after tilting for several reasons,

,ent nature or different size or grade.

movement, the gate 20 dotted line position, both to permit the dischargeof the material from the skip and to serve .as a chute -for directing itoutwardly away from the track. When the skip is returned to its originalposition, a seating abutment or guide 4t engages the face lla of themember 8a and guides the parts into their original --position in whichthey are shown in Figures 5 and 10.

It will also be understood that if it is desired to provide a skip whichtilts at both ends, the abutment assembly 7a shown at the right hand endof Figure 5, including 8a, 9a, etc. is reversed,

may be released to its so that the face lla will face outV instead ofin. Y

Then in the place of the seating guide 40, a second tipping hookassembly 30, 3| is secured to the bottom of the skip. A separate hoistorlifting means is provided for each end of the skip, and

an assembly is thus provided which permits a skip, having a releasabledoor at each end, to be tilted selectively to dump at either side of thecar'or track. Y

Itwill be realized that whereas I have described and illustrated apractical and operative device, nevertheless many changes may be made inthe size, shape, ,number and disposition of parts without departing fromthe spirit of my invention. I wish, gtherefore, that my description anddrawings be taken asin abroad sense illustrative or diagrammatic, ratherthan asllimiting me to my precise showing. 5 ,y Y

For instance, whereasI have shown my skip or skips as applied to a flattop rail car, I may employrit on other supportsor carriers. I mayemployit for exampleon motor trucks. .It will be understood also thatthehingeand .locking degtails can be widelyvvaried. The use andoperation of the invention are as follows: c

Assume that it is desired to handle bulk materials, asA for example inconnection with a mine. One or more open .topped skips areV mounted onany suitable support such asa motor truck, or preferably a railroadcar.. The skip may receive the material to bev handled, which isdelivered through into the openA top of the, skip fromk any suitabledelivery or dumping or conveyor means. The weight of the material Aintheskip is-supported by the top floor of the car and also by the blocks 5.The car, after the skip orsk-ips vare filled, is moved to any suitablepoint kof disposal and the skips are dumped by merely raising the end ofthe skip opposite to the door which is to be opened. While theparticular hinge means -Inay be widely varied, I find that the hingeabutments herein shown, including the ltipping stop v8 and the tippinglockl 30 are highly advantageous In the first place they are adapted tobe used at each end of a double ended skip, and can alternatively serveas a tilting abutment or vhinge and as a positioning or seating means.vAlso they are so formed as to prevent unintended endwise movement of theskip along the car when the skip is not tilted, because of the outwardlyextending projections 33. An ad- .vantageof employing a plurality ofskips is that I may simultaneously handle materials of differ- It isthus possible to deliver a number of materials or grades or sizes Yofmaterial uponfa single flat car, they being picked up at the same pointor various ipoints, and being discharged either at one point or atvarious points.

My structure lends itself well to the employ- Ymen-t of-'lightermaterials or metals, Vsuch-as 4. aluminum, and is so proportioned anddesigned that it can be made of aluminum or aluminum alloys. It will beunderstood, however, thatI do not wish to be limited to the use ofanyparticular material or metal, as a wide range of metals may beemployed.

I claim:

l. A hinge and abutment-connectionfor a skip including a tipping stopmemberadapted to be mounted upon a support, said stop member having anupwardly extending stop with a partly cylindrical concave pivot surfaceand a tippingrlhook adapted to -bemou'nted on the lower side of askipand including a downwardly extending hook portion having a lowerco-nvexface partly cylindrical in formA and-.adapted to engage the partlycylindrical convex surface of the stop member in piv'- otalrelationship, the tipping hook and the tipping stop member havingportions which interpenetrate and are adapted vto prevent their relativemovement along the axis of tilt of the skip `and a back stop' element onthe tipping stop lmember adapted to limit' movementof 'the ytipping hookaway from the tipping stop. i

2. In combination, a skip including side and bottom Vwalls of sheetmetal, a plurality of reinforcing members extcnding around theroutsideof the skip in contact with the side vand bottom walls, a platform,vadapted to support'` the skip,

a plurality of spaced cushion membersextending upwardly from theplatform into the'spaces be` tween the reinforcing members, the depth ofthe reinforcing members and the cushion members being equal, the spacebetween the cushion meinbers being just suflicientto permitthereinforcing members to enterbetween them, whereby ythe bottomfloor ofthe' skip, when it is onV the Vplat form, is supported substantiallythroughoutits entire area upon the cushion membersiand the reinforcingmembers. 1 f v 3. In combination, a skip including side and bottom wallsof sheet metal,Y a plurality fof reinforcing members extending aroundthe" outside ofthe skip in contact with the side and'bottorn walls, aplatform adapted to support the skip, a

plurality of spaced cushion members extending upwardlyfrom theplatform'into the spaces between lthe reinforcing members, thegdepthofthe reinforcing members and `thecushion members being equal, the spacebetween the cushion memrotational movement of the skip with respect to`the platform, the space between the cushion members and the reinforcingYmembers being such that rotational movement may take place withoutVinterference between the Vcushion and reinforcing members. l

4., In combination, a skip including side and bottom walls of sheetmetal, a plurality of rein# forcingrmembers extending around'the outsideof the skip in Contact with the siderand bottomY walls, a platformadapted to support ,the skip,

a plurality of spaced cushion members extending upwardly from theplatform intoy the spaces between the reinforcing members, the'depth oftheV reinforcingrmembers and the cushion members being equal, thev spacebetween thecushionmem# l bers being Yjustsuiicient to permit thereinforc-V ing members to enter between them, whereby the bottom floorof the skip, when it is on the platform, is supported substantiallythroughout its entire area upon the cushion members and the reinforcingmembers, means interposed between the skip and the platform adaptedindependent of the reinforcing members and the cushion members toprevent movement of the skip with respect to the platform in a directionperpendicular to the cushion members.

5. In combination, a skip including side and bottom walls of sheetmetal, a plurality of reinforcing members extending around the outsideof the skip in contact with the side and bottom walls, a platformadapted to support the skip, a plurality of spaced cushion membersextending upwardly from the platform into the spaces between thereinforcing members, the depth of the reinforcing members and thecushion members being equal, the space between the cushion members beingjust suii'icient to permit the reinforcing members to enter betweenthem, whereby the bottom floor of the skip, when it is on the platform,is supported substantially throughout its entire area upon the cushionmembers and the reinforcing members, means interposed between the skipand the platform adapted independent of the reinforcing members and thecushion members to prevent movement of the skip with respect to theplatform in a direction perpendicular to the cushion members and fulcrummeans interposed between the skip and the platform to define a pivotline about which the skip may rotate, the clearance between the cushionmembers and the reinforcing members being such that rotation may takeplace without interference between them.

6. In combination, a skip including side and bottom walls of sheetmetal, a plurality of reinforcing members extending around the outsideof the skip in contact with the side and bottom walls, a platformadapted to support the skip, a plurality of spaced cushion membersextending upwardly from the platform into the spaces between thereinforcing members, the depth of the reinforcing members and thecushion members being equal, the space between the cushion members beingjust sufficient to permit the reinforcing members to enter between them,whereby the bottom oor of the skip, when it is on the platform, issupported substantially throughout its entire area upon the cushionmembers and the reinforcing members, means interposed between the skipand lthe platform adapted independent of the reinforcing members and thecushion members to prevent movement of the skip with respect to theplatform in a direction perpendicular to the cushion, the skip beingfree to be raised vertically from the platform without interference byany of the elements interposed between the skip and the platform.

7. In combination, a skip including side and bottom walls of sheetmetal, a plurality of reinforcing members extending around the outsideof the skip in contact with the side and bottom walls, a platformadapted to support the skip, a plurality of spaced cushion membersextending upwardly from the platform into the spaces between thereinforcing members, the depth of the reinforcing members and thecushion members being equal, the space between the cushion members beingjust suil'icient to permit the reinforcing members to enter betweenthem, whereby the bottom floor of the skip, when it is on the platform,is supported substantially throughout its entire area upon the cushionmembers and the reinforcing members, means interposed between the skipand the platform adapted independent of the reinforcing members and thecushion members to prevent movement of the skip with respect to theplatform in a direction perpendicular to the cushion members and fulcrummeans interposed between the skip and the platform to define a pivotline about which the skip may rotate, the clearance between the cushionmembers and the reinforcing members being such that rotation may takeplace without interference between them, the skip being free to beraised vertically from the platform without interference by any of theelements interposed between the skip and the platform.

JOHN W. BURNETT.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 607,785 Traux July 19, 1898757,753 King Apr. 19, 1904 884,091 Johnson Apr. 7, 1908 1,089,964 RiceMar. 10, 1914 1,187,593 Wright et al. June 20, 1916 1,224,404 Murphy May1, 1917 1,381,495 Pearson June 14, 1921 1,393,169 Schlatter et al. Oct.11, 1921 1,563,830 Brown Dec. 1, 1925 1,712,534 Walsh et al May 14, 19291,909,341 Galanot May 16, 1933 1,972,043 Flowers Aug. 28, 1934 2,063,544Flowers Dec. 8, 1936l 2,181,629 Slaker Nov. 28, 1939 2,311,501 ZoldokFeb. 16, 1943 FOREIGN PATENTS Number Country Date 623,454 France Mar.21, 1927

